/* ========================================
   Tokyo Trip PWA - Style Sheet
   和風雜誌美學設計
   ======================================== */

/* CSS Variables */
:root {
  --color-indigo: #1a365d;
  --color-indigo-light: #2c5282;
  --color-indigo-dark: #0f2744;
  --color-sakura: #f8b4b4;
  --color-sakura-light: #fdd5d5;
  --color-sakura-dark: #e88888;
  --color-gold: #d69e2e;
  --color-gold-light: #ecc94b;
  --color-washi: #faf8f5;
  --color-washi-dark: #f0ede8;
  --color-ink: #1a202c;
  --color-ink-light: #4a5568;
  --color-ink-muted: #718096;
  
  --font-serif: 'Noto Serif JP', serif;
  --font-sans: 'Noto Sans TC', sans-serif;
  
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
  
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  
  /* Safe area for iPhone PWA (notch/status bar) */
  --safe-area-top: env(safe-area-inset-top, 0px);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-ink);
  background-color: var(--color-washi);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Sakura Particles */
#sakura-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 100;
  overflow: hidden;
}

.sakura-petal {
  position: absolute;
  width: 12px;
  height: 12px;
  background: linear-gradient(135deg, var(--color-sakura) 0%, var(--color-sakura-light) 100%);
  border-radius: 50% 0 50% 50%;
  opacity: 0.7;
  animation: sakura-fall linear infinite;
  transform-origin: center;
}

@keyframes sakura-fall {
  0% {
    transform: translateY(-20px) rotate(0deg) scale(1);
    opacity: 0;
  }
  10% {
    opacity: 0.7;
  }
  90% {
    opacity: 0.7;
  }
  100% {
    transform: translateY(100vh) rotate(720deg) scale(0.5);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sakura-petal {
    animation: none;
    opacity: 0.3;
  }
  
  .hero-scroll {
    animation: none;
  }
  
  .day-content,
  .info-content {
    animation: none;
  }
  
  .animate-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 248, 245, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(26, 54, 93, 0.1);
  transform: translateY(-100%);
  transition: transform var(--transition-base);
  /* Fix: push nav content below iPhone status bar / notch in PWA mode */
  padding-top: env(safe-area-inset-top);
}

.nav.visible {
  transform: translateY(0);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  max-width: 600px;
  margin: 0 auto;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--spacing-sm);
  background: none;
  border: none;
  cursor: pointer;
  z-index: 10001;
  position: relative;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-indigo);
  border-radius: 1px;
  transition: var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  background-color: #faf8f5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  list-style: none;
  z-index: 10000;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.nav-menu.open {
  pointer-events: auto;
  opacity: 1;
  transform: translateY(0);
}

.nav-menu li {
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.nav-menu.open li {
  opacity: 1;
  transform: translateY(0);
}

.nav-menu.open li:nth-child(1) { transition-delay: 0.05s; }
.nav-menu.open li:nth-child(2) { transition-delay: 0.1s; }
.nav-menu.open li:nth-child(3) { transition-delay: 0.15s; }
.nav-menu.open li:nth-child(4) { transition-delay: 0.2s; }
.nav-menu.open li:nth-child(5) { transition-delay: 0.25s; }

.nav-menu a {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-indigo);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  transition: color var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a:focus {
  color: var(--color-sakura-dark);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  background: linear-gradient(
    135deg,
    var(--color-indigo) 0%,
    var(--color-indigo-light) 50%,
    var(--color-indigo) 100%
  );
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(248, 180, 180, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(214, 158, 46, 0.1) 0%, transparent 40%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  color: var(--color-washi);
  animation: hero-fade-in 1s ease-out;
}

@keyframes hero-fade-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-subtitle {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-sakura-light);
  margin-bottom: var(--spacing-md);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-lg);
  white-space: nowrap;
}

.hero-title-line {
  display: inline;
}

.hero-title-divider {
  display: inline;
  color: var(--color-gold);
  margin: 0 0.25rem;
  font-size: 0.8em;
}

.hero-date {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  color: var(--color-washi);
  opacity: 0.9;
  margin-bottom: var(--spacing-xs);
}

.hero-duration {
  font-size: 0.875rem;
  color: var(--color-sakura-light);
  font-weight: 500;
}

.hero-scroll {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-washi);
  opacity: 0.7;
  font-size: 0.75rem;
  animation: hero-scroll-bounce 2s ease-in-out infinite;
}

@keyframes hero-scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

.hero-scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
}

/* Highlights */
.highlights {
  background: var(--color-washi);
  padding: var(--spacing-xl) var(--spacing-md);
  border-bottom: 1px solid var(--color-washi-dark);
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  max-width: 400px;
  margin: 0 auto;
}

.highlight-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.highlight-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.highlight-icon {
  font-size: 1.75rem;
}

.highlight-text {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-ink);
  text-align: center;
}

/* Container */
.container {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Sections */
.section {
  padding: var(--spacing-3xl) 0;
}

.section-alt {
  background: var(--color-washi-dark);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-indigo);
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.section-title-jp {
  display: block;
  font-family: var(--font-serif);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--color-ink-muted);
  margin-bottom: var(--spacing-xs);
}

.section-desc {
  text-align: center;
  color: var(--color-ink-muted);
  font-size: 0.875rem;
  margin-top: calc(var(--spacing-xl) * -1);
  margin-bottom: var(--spacing-xl);
}

/* Flight Cards */
.flight-cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.flight-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.flight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.flight-outbound::before {
  background: linear-gradient(90deg, var(--color-indigo), var(--color-indigo-light));
}

.flight-return::before {
  background: linear-gradient(90deg, var(--color-sakura-dark), var(--color-sakura));
}

.flight-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.flight-label {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-indigo);
}

.flight-number {
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  font-weight: 500;
}

.flight-route {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flight-city {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.flight-code {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-indigo);
}

.flight-name {
  font-size: 0.6875rem;
  color: var(--color-ink-muted);
}

.flight-time {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-top: var(--spacing-xs);
}

.flight-arrow {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 var(--spacing-md);
}

.flight-duration {
  font-size: 0.6875rem;
  color: var(--color-ink-muted);
  margin-bottom: var(--spacing-xs);
}

.flight-line {
  width: 100%;
  height: 2px;
  background: var(--color-washi-dark);
  position: relative;
  border-radius: 1px;
}

.flight-plane {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1rem;
  color: var(--color-indigo);
}

/* Info Box */
.info-box {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  border-left: 3px solid var(--color-gold);
}

.info-box-title {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-indigo);
  margin-bottom: var(--spacing-sm);
}

.info-box-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.info-box-list li {
  font-size: 0.8125rem;
  color: var(--color-ink-light);
  padding-left: var(--spacing-md);
  position: relative;
}

.info-box-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-gold);
}

/* Hotel Timeline */
.hotel-timeline {
  position: relative;
  padding-left: 24px;
}

.hotel-timeline::before {
  content: '';
  position: absolute;
  top: 34px;
  bottom: 34px;
  left: 0;
  width: 2px;
  background: linear-gradient(
    180deg,
    var(--color-indigo) 0%,
    var(--color-sakura) 50%,
    var(--color-gold) 100%
  );
  border-radius: 1px;
}

.hotel-card-wrapper {
  position: relative;
  margin-bottom: var(--spacing-md);
}

.hotel-card-wrapper::before {
  content: '';
  position: absolute;
  left: -29px;
  top: 28px;
  width: 12px;
  height: 12px;
  background: var(--color-indigo);
  border: 2px solid white;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  z-index: 1;
}

.hotel-card {
  position: relative;
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.hotel-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.hotel-dates {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  margin-bottom: var(--spacing-xs);
}

.hotel-nights {
  background: var(--color-sakura-light);
  color: var(--color-indigo);
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
}

.hotel-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-indigo);
  margin-bottom: var(--spacing-xs);
}

.hotel-location {
  font-size: 0.8125rem;
  color: var(--color-ink-light);
}

.hotel-details {
  display: none;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-washi-dark);
}

.hotel-card.expanded .hotel-details {
  display: block;
}

.hotel-detail-item {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: 0.8125rem;
}

.hotel-detail-label {
  color: var(--color-ink-muted);
  min-width: 70px;
}

.hotel-detail-value {
  color: var(--color-ink);
  font-weight: 500;
  word-break: break-all;
}

.hotel-expand-hint {
  font-size: 0.6875rem;
  color: var(--color-ink-muted);
  text-align: right;
  margin-top: var(--spacing-sm);
}

.hotel-card.expanded .hotel-expand-hint {
  display: none;
}

/* Day Tabs */
.day-tabs-wrapper {
  position: sticky;
  /* Fix: account for safe-area-inset-top so tabs don't hide under the nav bar on iPhone PWA */
  top: calc(48px + env(safe-area-inset-top));
  z-index: 100;
  background: var(--color-washi);
  margin: 0 calc(var(--spacing-md) * -1);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.day-tabs {
  display: flex;
  gap: var(--spacing-xs);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  width: 100%;
}

.day-tabs::-webkit-scrollbar {
  display: none;
}

.day-tab {
  flex: 1;
  min-width: 60px;
  padding: var(--spacing-sm) var(--spacing-xs);
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-ink-light);
  background: white;
  border: 1px solid var(--color-washi-dark);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.day-tab:hover {
  border-color: var(--color-indigo);
  color: var(--color-indigo);
}

.day-tab.active {
  background: var(--color-indigo);
  border-color: var(--color-indigo);
  color: white;
}

/* Day Content */
.day-content {
  animation: fade-in 0.3s ease;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.day-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.day-date {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
  margin-bottom: var(--spacing-xs);
}

.day-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-indigo);
}

.day-flow {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  padding: var(--spacing-md);
  background: white;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
}

.flow-item {
  font-size: 0.8125rem;
  color: var(--color-ink);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-washi);
  border-radius: var(--radius-sm);
}

.flow-arrow {
  color: var(--color-ink-muted);
  display: flex;
  align-items: center;
}

/* Spot Cards */
.spot-section {
  margin-bottom: var(--spacing-xl);
}

.spot-section-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-indigo);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-sakura-light);
}

.spot-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.spot-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.spot-name {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--spacing-xs);
  flex: 1;
}

.maps-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs);
  background: transparent;
  color: var(--color-sakura-dark);
  text-decoration: none;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.maps-btn:hover {
  color: var(--color-indigo);
}

.maps-btn svg {
  display: block;
}

.maps-btn-full {
  width: 100%;
  padding: var(--spacing-sm);
  margin-top: var(--spacing-md);
  font-size: 0.8125rem;
  font-weight: 500;
  justify-content: flex-start;
}

.spot-hours {
  font-size: 0.75rem;
  color: var(--color-gold);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.spot-desc {
  font-size: 0.8125rem;
  color: var(--color-ink-light);
  line-height: 1.6;
}

/* Food & Transport */
.food-list,
.transport-list {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
}

.food-item,
.transport-item {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-washi-dark);
  font-size: 0.8125rem;
}

.food-item:last-child,
.transport-item:last-child {
  border-bottom: none;
}

.food-place {
  font-weight: 500;
  color: var(--color-indigo);
  min-width: 80px;
}

.food-name {
  color: var(--color-ink-light);
}

.transport-item {
  flex-direction: column;
  gap: var(--spacing-xs);
}

.transport-name {
  font-weight: 500;
  color: var(--color-indigo);
}

.transport-desc {
  color: var(--color-ink-light);
}

/* Accommodation Note */
.accommodation-note {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-indigo);
  color: white;
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  margin-top: var(--spacing-xl);
  font-size: 0.875rem;
}

.accommodation-icon {
  font-size: 1.25rem;
}

/* Info Tabs */
.info-tabs {
  display: flex;
  gap: var(--spacing-xs);
  overflow-x: auto;
  padding-bottom: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  scrollbar-width: none;
}

.info-tabs::-webkit-scrollbar {
  display: none;
}

.info-tab {
  flex-shrink: 0;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-ink-light);
  background: white;
  border: 1px solid var(--color-washi-dark);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.info-tab:hover {
  border-color: var(--color-sakura-dark);
  color: var(--color-sakura-dark);
}

.info-tab.active {
  background: var(--color-sakura);
  border-color: var(--color-sakura);
  color: var(--color-indigo);
}

/* Info Content */
.info-content {
  animation: fade-in 0.3s ease;
}

.info-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.info-card-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-indigo);
  margin-bottom: var(--spacing-md);
}

.info-list {
  list-style: none;
}

.info-list li {
  position: relative;
  padding-left: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  font-size: 0.8125rem;
  color: var(--color-ink-light);
}

.info-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-sakura-dark);
}

/* Checklist */
.checklist {
  list-style: none;
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-washi-dark);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.checklist-item:last-child {
  border-bottom: none;
}

.checklist-item.checked {
  opacity: 0.5;
  text-decoration: line-through;
}

.checklist-checkbox {
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-indigo);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.checklist-item.checked .checklist-checkbox {
  background: var(--color-indigo);
}

.checklist-checkbox::after {
  content: '✓';
  color: white;
  font-size: 0.75rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.checklist-item.checked .checklist-checkbox::after {
  opacity: 1;
}

/* Weather Cards */
.weather-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.weather-card {
  background: linear-gradient(135deg, var(--color-indigo) 0%, var(--color-indigo-light) 100%);
  color: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  text-align: center;
}

.weather-icon {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xs);
}

.weather-location {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.weather-temp {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-sakura-light);
}

.weather-note {
  font-size: 0.625rem;
  opacity: 0.7;
  margin-top: var(--spacing-xs);
}

.weather-tip {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-gold-light);
  color: var(--color-indigo-dark);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  margin-bottom: var(--spacing-lg);
}

.weather-tip-icon {
  flex-shrink: 0;
}

.clothing-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.clothing-item {
  display: grid;
  grid-template-columns: 2rem 3.5rem 1fr;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-washi-dark);
}

.clothing-item:last-child {
  border-bottom: none;
}

.clothing-icon {
  font-size: 1.25rem;
  text-align: center;
}

.clothing-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-indigo);
}

.clothing-desc {
  font-size: 0.8125rem;
  color: var(--color-ink-light);
}

/* App Cards */
.app-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.app-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.app-card:hover {
  transform: translateY(-2px);
}

.app-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.app-name {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-indigo);
  margin-bottom: var(--spacing-xs);
}

.app-desc {
  font-size: 0.6875rem;
  color: var(--color-ink-muted);
}

/* Emergency Cards */
.emergency-card {
  background: linear-gradient(135deg, var(--color-indigo) 0%, var(--color-indigo-light) 100%);
  color: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.emergency-title {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  opacity: 0.9;
}

.emergency-number {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.emergency-desc {
  font-size: 0.75rem;
  opacity: 0.8;
}

/* Phrase Grid */
.phrase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.phrase-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.phrase-card:hover {
  border-color: var(--color-sakura);
  transform: translateY(-2px);
}

.phrase-card:active {
  transform: scale(0.98);
}

.phrase-card.copied {
  border-color: var(--color-gold);
  background: var(--color-gold-light);
}

.phrase-jp {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-indigo);
  margin-bottom: var(--spacing-xs);
}

.phrase-romaji {
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  margin-bottom: var(--spacing-sm);
}

.phrase-meaning {
  font-size: 0.875rem;
  color: var(--color-ink-light);
}

/* Footer */
.footer {
  background: var(--color-indigo);
  color: var(--color-washi);
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-md);
}

.footer-text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.footer-subtitle {
  font-size: 0.875rem;
  color: var(--color-sakura-light);
  margin-bottom: var(--spacing-md);
}

.footer-author {
  font-size: 0.75rem;
  opacity: 0.6;
}

/* Toast */
.toast {
  position: fixed;
  bottom: calc(env(safe-area-inset-bottom, 0) + 20px);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-indigo);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: all var(--transition-base);
  z-index: 2000;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Install Prompt */
.install-prompt {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  padding: var(--spacing-lg);
  padding-bottom: calc(env(safe-area-inset-bottom, 0) + var(--spacing-lg));
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
  display: none;
  align-items: center;
  gap: var(--spacing-md);
  z-index: 1500;
}

.install-prompt.show {
  display: flex;
}

.install-prompt p {
  flex: 1;
  font-size: 0.875rem;
  color: var(--color-ink);
}

.install-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-indigo);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.install-btn:hover {
  background: var(--color-indigo-light);
}

.install-dismiss {
  padding: var(--spacing-sm);
  background: none;
  border: none;
  color: var(--color-ink-muted);
  font-size: 0.875rem;
  cursor: pointer;
}

/* Scroll Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Utilities */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Emergency Link Styles */
.emergency-link {
  color: white;
  text-decoration: none;
  display: block;
  transition: transform var(--transition-fast), text-shadow var(--transition-fast);
}

.emergency-link:hover {
  transform: scale(1.05);
  text-shadow: 0 0 10px rgba(255,255,255,0.5);
}

/* Weather Forecast Styles */
.weather-forecast-section {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.weather-forecast-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.weather-forecast-header .info-card-title {
  margin-bottom: 0;
}


.weather-forecast-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.weather-day-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-sm);
  background: linear-gradient(165deg, #f8f6f3 0%, #efe9e1 100%);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(26, 54, 93, 0.08);
  box-shadow: 
    0 1px 2px rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.weather-day-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-sakura) 0%, var(--color-sakura-light) 100%);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  opacity: 0.8;
}

.weather-day-card:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 4px 12px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.weather-day-date {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-indigo);
  letter-spacing: 0.02em;
  margin-bottom: var(--spacing-xs);
}

.weather-day-icon {
  font-size: 2rem;
  margin: var(--spacing-xs) 0;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.weather-day-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  width: 100%;
}

.weather-day-temps {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
  font-size: 0.9375rem;
}

.temp-high {
  font-weight: 700;
  color: var(--color-sakura-dark);
}

.temp-high::after {
  content: '↑';
  font-size: 0.625rem;
  margin-left: 1px;
  opacity: 0.6;
}

.temp-low {
  font-weight: 500;
  color: var(--color-ink-muted);
}

.temp-low::after {
  content: '↓';
  font-size: 0.625rem;
  margin-left: 1px;
  opacity: 0.5;
}

.weather-location-tabs {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: center;
  margin-top: var(--spacing-sm);
}

.weather-loc-tab {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.75rem;
  font-weight: 500;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-ink-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.weather-loc-tab:hover {
  color: var(--color-indigo);
}

.weather-loc-tab.active {
  color: var(--color-indigo);
  border-bottom-color: var(--color-sakura);
}

.weather-loading {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xl);
  color: var(--color-ink-muted);
  font-size: 0.875rem;
}

.loading-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-washi-dark);
  border-top-color: var(--color-indigo);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.weather-fallback {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--spacing-lg);
}

.weather-fallback-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.weather-fallback-location {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-indigo);
  margin-bottom: var(--spacing-xs);
}

.weather-fallback-temp {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-sakura-dark);
  margin-bottom: var(--spacing-xs);
}

.weather-fallback-note {
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  margin-bottom: var(--spacing-md);
}

.weather-retry-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-indigo);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.weather-retry-btn:hover {
  background: var(--color-indigo-light);
}

.weather-day-card.has-rain {
  background: linear-gradient(165deg, #e8eef5 0%, #dae4f0 100%);
}

.weather-day-card.has-rain::before {
  background: linear-gradient(90deg, var(--color-indigo-light) 0%, var(--color-indigo) 100%);
}

.weather-day-rain {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-indigo);
  background: rgba(26, 54, 93, 0.1);
  padding: 3px 8px;
  border-radius: 10px;
  margin-top: var(--spacing-xs);
}

.weather-data-source {
  text-align: center;
  font-size: 0.625rem;
  color: var(--color-ink-muted);
  opacity: 0.6;
  margin-top: var(--spacing-md);
}

.weather-forecast-hint {
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  margin-top: var(--spacing-xs);
}

/* Clickable Weather Day Cards */
.weather-day-card {
  cursor: pointer;
}

.weather-day-card.selected {
  background: linear-gradient(165deg, var(--color-indigo) 0%, var(--color-indigo-light) 100%);
  border-color: var(--color-indigo);
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(26, 54, 93, 0.25);
}

.weather-day-card.selected::before {
  background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
}

.weather-day-card.selected .weather-day-date {
  color: white;
}

.weather-day-card.selected .temp-high {
  color: var(--color-sakura-light);
}

.weather-day-card.selected .temp-low {
  color: rgba(255, 255, 255, 0.7);
}

.weather-day-card.selected .weather-day-rain {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

/* Outfit Advice Section */
.outfit-advice-section {
  margin-bottom: var(--spacing-md);
}

.outfit-advice-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, #f8f6f3 0%, #efe9e1 100%);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--color-washi-dark);
}

.outfit-placeholder-icon {
  font-size: 1.5rem;
  opacity: 0.6;
}

.outfit-placeholder-text {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
  text-align: center;
}

.outfit-advice-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  animation: outfit-slide-in 0.4s ease;
  overflow: hidden;
}

@keyframes outfit-slide-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.outfit-advice-card.loading {
  min-height: 150px;
}

.outfit-advice-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  gap: var(--spacing-sm);
}

.outfit-date-badge {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.outfit-date {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-indigo);
}

.outfit-location {
  font-size: 0.75rem;
  color: var(--color-ink-muted);
}

.outfit-weather-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-sakura-light) 0%, var(--color-sakura) 100%);
  border-radius: var(--radius-md);
}

.outfit-weather-icon {
  font-size: 1.25rem;
}

.outfit-temp-range {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-indigo);
}

.outfit-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xl);
  color: var(--color-ink-muted);
  font-size: 0.875rem;
}

.outfit-summary {
  background: linear-gradient(135deg, var(--color-indigo) 0%, var(--color-indigo-light) 100%);
  color: white;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.outfit-summary-text {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.4;
}

.outfit-items-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.outfit-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-washi);
  border-radius: var(--radius-md);
  transition: transform 0.2s ease;
}

.outfit-item:hover {
  transform: translateX(4px);
}

.outfit-item-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 2rem;
  text-align: center;
}

.outfit-item-content {
  flex: 1;
  min-width: 0;
}

.outfit-item-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-indigo);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.outfit-item-value {
  font-size: 0.9375rem;
  color: var(--color-ink);
  line-height: 1.5;
}

.outfit-item-accessories {
  background: linear-gradient(135deg, #fff5f5 0%, #ffe4e4 100%);
}

.outfit-accessories-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.outfit-accessory-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  background: white;
  border-radius: 20px;
  font-size: 0.8125rem;
  color: var(--color-indigo);
  box-shadow: var(--shadow-sm);
}

.outfit-no-accessory {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
  font-style: italic;
}

.outfit-warning {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: linear-gradient(135deg, #fef3cd 0%, #ffeaa7 100%);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-gold);
}

.outfit-warning-icon {
  font-size: 1rem;
  flex-shrink: 0;
}

.outfit-warning span:last-child {
  font-size: 0.8125rem;
  color: var(--color-ink);
  line-height: 1.5;
}

/* Outfit Error State */
.outfit-advice-card.outfit-error {
  text-align: center;
  padding: var(--spacing-xl);
}

.outfit-error-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.outfit-error-icon {
  font-size: 2rem;
}

.outfit-error-text {
  font-size: 0.9375rem;
  color: var(--color-ink-light);
}

.outfit-retry-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-indigo);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.outfit-retry-btn:hover {
  background: var(--color-indigo-light);
}

/* Phrase Card Updates */
.phrase-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.phrase-speak-btn {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.phrase-speak-btn:hover {
  background: var(--color-sakura-light);
  transform: scale(1.1);
}

.phrase-speak-btn:active {
  transform: scale(0.95);
}

/* Custom Checklist Item Styles */
.add-item-form {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px dashed var(--color-washi-dark);
}

.add-item-input {
  flex: 1;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-washi-dark);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
}

.add-item-input:focus {
  outline: none;
  border-color: var(--color-indigo);
}

.add-item-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-sakura);
  color: var(--color-indigo);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.add-item-btn:hover {
  background: var(--color-sakura-dark);
  color: white;
}

.delete-item-btn {
  background: none;
  border: none;
  color: var(--color-ink-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 0 var(--spacing-xs);
  margin-left: auto;
  transition: color var(--transition-fast);
}

.delete-item-btn:hover {
  color: var(--color-sakura-dark);
}

.custom-item-text {
  flex: 1;
}

/* Sakura Info Section */
.sakura-info-card {
  background: linear-gradient(135deg, #fff5f5 0%, #ffe4e4 100%);
}

.sakura-intro {
  font-size: 0.8125rem;
  color: var(--color-ink-light);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.sakura-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.sakura-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: white;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.sakura-link:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.sakura-link-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.sakura-link-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sakura-link-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-indigo);
}

.sakura-link-desc {
  font-size: 0.75rem;
  color: var(--color-ink-muted);
}

.sakura-link-arrow {
  color: var(--color-sakura-dark);
  font-size: 1rem;
  flex-shrink: 0;
}

/* Footer Version */
.footer-version {
  display: inline-block;
  font-size: 0.625rem;
  opacity: 0.5;
  margin-left: var(--spacing-xs);
}

/* Desktop Styles */
@media (min-width: 768px) {
  .hero-title {
    font-size: 3.5rem;
  }
  
  .highlight-grid {
    grid-template-columns: repeat(4, 1fr);
    max-width: 600px;
  }
  
  .phrase-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .app-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
}